35 - DL /T 439-2018

Grade	35
Corresponding Standard	DL /T 439-2018 The Technical Guide for High-Temperature Bolt of Fossil-Fired Power Plant
Classification	Carbon Steel

35 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.32	0.17	0.5	-	-	-	-
Maximum Value	0.4	0.37	0.8	0.035	0.035	0.25	0.25

35 Mechanical Properties

condition	Test Temperature	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Bolt Material	Room Temperature	≥510	≥265	≥18	≥43	146~196	Ku ≥55

35 Corresponding Standards(Same grade name, different standards)

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